Chaal is a type of substance, which appears in Spook's: The Dark Army.
The substance is of an evil nature.
First and foremost, Chaal is used for control of a victim's mind.
Use and use by
Chaal is mostly used by haizda mages, who are a sub-character of the Kobalos Mages.
They use the substance to control the responses of victims. It is known only to work successfully on humans at this time.